6636319: Encoders should implement isLegalReplacement(byte[] repl)
Summary: optimized new String(byte[], cs/csn) and String.getBytes(cs/csn) for speed and memory consumption in singlebyte case.
Reviewed-by: alanb

6808647: (file) Paths.get("C:").newDirectoryStream() iterates over Path elements with additional slash [win]
6808648: (file) Files.walkFileTree should obtain file attributes during iteration [win]
Reviewed-by: sherman

4313887: New I/O: Improved filesystem interface
4607272: New I/O: Support asynchronous I/O
Reviewed-by: sherman, chegar

6642328: Speeding up Single Byte Encoders
Summary: re-implementation of mapping based sbcs charts
Reviewed-by: alanb

Summary: Update for files that have been modified starting July 2008
Reviewed-by: ohair, tbell

Reviewed-by: iris, sherman, chegar

Reviewed-by: mchung, iris